K. Irie, Jun-ichi Arai, Manabu Ito, Toshiyuki Shinotsuka, Manabu Ishikawa, S. Wakamatsu
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High Stability Ultra-Miniature Size OCXO Operating within Wide Temperature Range: Using ASIC with Built-in Oven for OCXO
This paper describes a high stability ultra-miniature size OCXO operating within wide temperature range using a ASIC with a built-in oven for OCXO. The ASIC realized that the OCXO could be extremely downsized and the maximum operating temperature is getting higher because it has almost all functions including a built-in oven which OCXOs should have. We have achieved about +/−5 ppb in a range of −40 to +95 °C and obtained excellent temperature slope characteristics for $7.0\times 5.0\text{mm}$ size package.